捨て台詞

1. Origins, structure, and basic meaning

• Structure: 捨て台詞 is read すてぜりふ and is a noun for a remark thrown out while leaving, often harsh or defiant.
• Basic usage: It is used when someone leaves a meeting room or a villain disappears after delivering a final line.

2. Common pitfalls and similar expressions

• Not a neutral farewell
  • It usually implies a final remark carrying anger, bravado, or provocation, rather than an ordinary farewell.